Magnaflow Universal Catalytic Converter

Fits Most Dodge/Jeep 5.7L/3.8L/3.7L (07-17)

5551355

Overview:

The Magnaflow California Grade Universal Catalytic Converter 5551355 is engineered to provide a direct-fit replacement for a range of Dodge and Jeep vehicles, including the Dakota, Durango, Ram 1500, Grand Cherokee, and Wrangler models from 2007 through 2017. Designed to keep your vehicle’s check engine light off, this catalytic converter ensures optimal emissions control while maintaining factory-level performance and reliability. Ideal for drivers seeking a high-quality, CARB-compliant solution, this converter supports legal use in California and other CARB-restricted states.

Whether you are performing routine maintenance or replacing a failing catalytic converter, Magnaflow’s product offers a seamless fit and durable construction that meets or exceeds OEM standards. This part is perfect for enthusiasts and everyday drivers who demand both compliance and longevity from their emissions components.

Key Features:

Magnaflow’s California Grade catalytic converter incorporates advanced technology and precision engineering to deliver reliable emissions control and ease of installation. Key features include:

• CARB-compliant design certified for use in California and CARB-restricted states
• Direct-fit replacement requiring no cutting or welding for most installations
• Mandrel-bent tubing for unrestricted exhaust flow and improved performance
• Highly corrosion-resistant stainless steel construction for long-lasting durability
• Spun body design replicating original equipment for precise fit and function
• Single laser fusion weld to minimize the risk of leaks and enhance structural integrity
• Compact, low-mass design promoting greater thermal efficiency and quicker catalyst light-off
• Developed using state-of-the-art 3D scanning technology for exact fitment

Construction & Design:

This catalytic converter is crafted from premium stainless steel, providing superior resistance to rust and corrosion even under harsh driving conditions. The mandrel-bent tubing maintains a smooth internal diameter throughout bends, reducing exhaust flow restrictions and improving overall engine efficiency. The spun body construction mirrors the original equipment manufacturer’s design, ensuring a perfect fit and reliable performance.

Magnaflow’s use of laser fusion welding creates a strong, leak-resistant seal that enhances durability and longevity. The compact design reduces weight and improves heat retention, allowing the catalyst to reach optimal operating temperatures faster for effective emissions reduction.

Installation & Fitment:

The Magnaflow 5551355 catalytic converter is designed for direct bolt-on installation on the following vehicles: Dodge Dakota (2010–2011), Dodge Durango (2009–2017), Dodge Ram 1500 (2007–2008), Jeep Grand Cherokee (2013–2017), and Jeep Wrangler (2010–2011). Installation requires standard hand tools and does not typically involve cutting or welding, making it accessible for professional mechanics and experienced DIY enthusiasts alike.

Thanks to precise engineering and 3D scanning technology, this converter fits seamlessly in place of the original part, ensuring proper alignment with existing exhaust components and oxygen sensors.

What's Included:

• Magnaflow California Grade Universal Catalytic Converter (Part #5551355)
• Installation instructions

Ideal For:

This catalytic converter is ideal for vehicle owners and mechanics who require a reliable, CARB-compliant replacement part that maintains factory emissions standards. It suits those who want to avoid check engine light issues related to catalytic converter failure while ensuring their vehicle remains street-legal in California and other states with strict emissions regulations.

It is also a great choice for drivers who value durable construction and easy installation without the need for exhaust system modifications.

Emissions Note

This Magnaflow catalytic converter is certified to meet or exceed California Air Resources Board (CARB) requirements and has undergone rigorous testing to comply with CARB guidelines. It is legal for use in California and other CARB-restricted states on the specified vehicle applications, ensuring your vehicle remains compliant with state emissions laws.

MagnaFlow is a performance exhaust manufacturer best known for cat‑back and axle‑back systems, mufflers, and catalytic converters engineered for quality sound and improved flow. Their vehicle-specific exhaust options span muscle, import, and truck applications—making MagnaFlow a staple upgrade when you want a deeper tone, cleaner fitment, and a proven performance-focused exhaust setup.